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Home My WebLink AboutNC0003760_Corrective Action Plan_20200429 DuPont Kinston Plant OuPONT ! 4693 Hwy. 11 North Griffon,NC 28530 April 1,2020 CERTIFIED MAIL: 7016 2710 0000 0958 9739 RETURN RECEIPT REQUESTED NC Division of Water Resources RECEIVED NPDES Complex Permitting Unit APR 2 9 1010 1617 Mail Service Center Raleigh,NC 27699-1617 NCDEQIDWRINPDES Re: Permit No. NC0003760: A. (13) Schedule of Compliance Total Copper, Total Lead, Total Silver, and Total Zinc Outfalls 002 & 003 Year 3 Summary Report& CAP. The following compliance activities were addressed during the third year of the 5-year compliance schedule. a) Hired contractor to clean out all catch basins on-site flowing to outfall 002 at a cost of $6,972.00. Work completed on 10/15/2019. b) Awarded bid to survey and design the bio-swale at outfall 002 at a cost of$17,100.00 with a target completion date of May 31, 2020. Phase 2 is the construction of the bio-swale. c) Discussing equipment and structure needed to establish a new sample point at Outfall 003. d) Attached updated Corrective Action Plan (CAP) As the site closes out year three of the five-year compliance schedule, we will continue working to construct a bio-swale at outfall 002 and update CAP as items are complete. If you have any questions,please contact Jon Carpenter, Environmental Manager at 252-559-7024 Sincerely, 6T George enakis Plant Manager DuPont Kinston Plant DuPont Industrial Biosciences USA,LLC Page 1 of 1 OVPONT► 4693 Hwy 11 N NPDES Permit No. NC0003760 Grifton, NC 28530 DuPont Industrial Biosciences USA, LLC April 1, 2019 STORMWATER CORRECTIVE ACTION PLAN (CAP) This Stormwater Corrective Action Plan (Table 1) has been developed in conjunction with A. (13) Schedule of Compliance Total Copper, Total Lead, Total Silver, and Total Zinc for Outfalls 002& 003 to address compliance with the new lower limits for metals copper, lead, silver, and zinc for the two (Outfalls 002 &003) combined process/stormwater discharges at DuPont—Kinston Facility, National Pollutant Discharge Elimination System Permit No. NC0003760.The schedule included in this Plan provides a means for NCDEQ to assess the progress being made on each milestone. Table 1: Overall Schedule TASK MILESTONES COMPLETION DATES NCDEQ ACTION Phase 1(Year 1 &2) Review new permit May 2017 Issued NPDES permit limits and effective on April 1, requirements and 2017 develop the CAP Review and update, as Audit Tradewaste Lab July 2017 needed, the sampling procedures and sample techniques used by methods ORC. Confirm with outside, Confirmed December 2017 certified lab on their Environment 1, sample handling Incorporated is techniques certified to handle all our stormwater sampling requirements Verify Smoking Policy Confirmed site policy is March 2018 for DuPont at the written in the Sorona Kinston Site Safety Manual, Section 2, Item 200, Rule#2 Select additional Collect samples near May 2017 sampling locations buildings and process above the actual and compile the monitoring point for additional data outfalls 002 &003 Submit summary Summarize year 1 April 1, 2018 Certified Mail signed report to Div. of Water schedule of compliance return receipt for the Resources A. (13.) summary letter. (March 27, 2018) Sampling events March 2019 April 1, 2018 throughout year 1 and year 2 Page 1 of 4 4 O U P O NT► 4693 Hwy 11 N NPDES Permit No. NC0003760 Grifton, NC 28530 TASK MILESTONES COMPLETION DATE NCDEQ ACTION Summarize findings Provide summary with April 2019 and conditions letter and CAP to Div. contributing metals to of Water Resources outfalls 002 &003 Confirm cooling chilled, ChemTreat SDS: No January 2019 and Boiler water metals listed in any of treatment chemicals the treatment don't contain metals chemicals Research possible Based on data, select March 2019 BMPs BMP(s)to improve water quality Meet with Kinston site Staff meeting March March 26, 2019 Leadership to present 26, 2019 led by Plant data and Manager recommendations for improvements Submit summary Certified mail cover April 1, 2019 report(with CAP)to letter and CAP Div. of Water according to A. (13.) Resources Year 2 Phase 2(Year 3&4) Pending approval of Receive CAP approval Corrective Action Plan from Div. of Water (CAP) from NCDEQ, Div. Resources of Water Resources Clean out any Complete basin Contracted with MPW sentiment found in the cleanout project by End to clean out catch stormwater catch of Summer 2019 basins along 002 and basins along the flow of 003. (completed on outfalls 002 &003 10/14/19 and 10/15/19) Cost$6,972 Consult with Supplier Seek supplier data on and test for impact of impact of water water treatment treatment chemicals chemicals on the and sample treated infrastructure water for metals Continue sampling Sample during the fall Outfalls 002 &003 of 2019 above the above sample location monitoring point for after cleaning out of each outfall stormwater catch basins Request Engineering to Receive engineered 1/6/20—planning bid Request Engineering to design Bio Swale BMP plan to construct Bio process walk through design Bio-Swale BMP for for Outfall 002 (see Swale BMP scope of work. Outfall 002(see Figure 1.) Figure 1.) Page 2 of 4 • o v p T• 4693 Hwy 11 N NPDES Permit No. NC0003760 Grifton, NC 28530 TASK MILESTONES COMPLETION DATE NCDEQ ACTION Develop SOC for new SOC Complete 2/12/2020 monitoring point for Outfall 002 (see Figure 2.) Develop Scope of Work Scope of Work Pending approval to to establish new complete relocate sample point. monitoring point for Outfall 003 Seek Funding to move Funding approved for Capital Project ID monitoring point to new monitoring point 9211000301 new location at Outfall for Outfall 003 (3/25/2020) 003 Select Contractor& PO issued to contactor Requested PO on Request Purchase to construct new 4/8/2020 for Dewberry Order(PO)to construct monitoring location for to survey and design. the new monitoring Outfall 003 Cost$17,100.00 point on Outfall 003 Submit summary Summarize year 3 Letter sent 4/13/2020 report to Div. of Water schedule of compliance Resources A. (13.) Construct Bio-Swale Complete Construction BMP at Outfall 002 Project Install new Monitoring Complete Installation Point at Outfall 003 Project Submit summary Summarize year 4 Due by April 1, 2021 report to Div. of Water schedule of compliance Resources A. (13.) Phase 3(Year 5) Prepare separate Submittal of NPDES Due no later than NPDES Permit Permit application September 30, 2021 application (180 days prior to expiring) Prepare separate Submittal of Due no later than Stormwater Permit Stormwater Permit September 30, 2021 application application (180 days prior to expiring) NPDES Permit review Receive approval of TBD (Permit expires at Pending issuance of and approval by NC new NPDES Permit midnight March 31, new NPDES Permit Div. of Water 2022) Resources- NPDES Stormwater Permit Receive approval of TBD (Permit expires at Pending issuance of review and approval by new Stormwater midnight March 31, new Stormwater DEMLR Stormwater Permit 2022) permit Page 3 of 4 40UPONT0 4693 Hwy 11N NPDES Permit No. NC0003760 Grifton, NC 28530 Submit summary Summarize year 5 Due by April 1, 2022 report to Div. of Water schedule of compliance Resources A.(13.) Figure 1: Proposed BMP: Bio-Swale 7111 5y ^4 J 1 ,' 7 ' g Tower stla\e Dist$antled 5 and Removed ea p05' (201�}- e ��Q G<2 o J`'a�� '' sa Qcoc 1. • Figure 2: Proposed site for new sampling location. ' #titif,ItZ1.-4!-:`.$4:z - :4-4. ti‘t4- Proposed Ne -a piing 4ocation —.r ,. *may' +.`p - 1 ' >~' i y A�q 11 f ! N b 3t}t � # d•.' 1' "em -As Outfall 003 Sampling .�. Location Google Page 4 of 4